Ex 1.
Clerk: That'll be a dolla
fitty.
You: How much?
Clerk: A dolla
fitty.
You: All right.
Ex 2.
Friend: Hey, see that girl over there?
Bet you won't ask her out.
You: Ha, I'll do more than that. I'll give her a dolla fitty tonight.
Friend: Oh man, tell me about it tomorrow!
You: Cool